/* * Copyright (c) 2020, BELLSOFT. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package compiler.c2; /* * @test * @bug 8248445 * @summary Use of AbsI / AbsL nodes should be limited to supported platforms * @requires vm.debug == true * * @run main/othervm -XX:-TieredCompilation -Xbatch -XX:CompileOnly=java.lang.Math::abs compiler.c2.TestAbs */ public class TestAbs { public static void test() { // java.lang.Math.abs() collapses into AbsI/AbsL nodes on platforms that support the correspondent nodes // Using unsupported nodes triggers a console warning on a release build and gives an error on a debug build Math.abs(1); Math.abs(-1); Math.abs(1L); Math.abs(-1L); } public static void main(String args[]) { for (int i = 0; i < 20_000; i++) { test(); } } }